Mused

He mused at the sight of the street performer's act.

He mused about the mysteries of the ocean while scuba diving.

He often mused about the fragility of life and the inevitability of death.

She often mused about the meaning of life and the purpose of human existence.

He often mused about the state of the world while walking his dog.

The marketer mused over the messaging and target audience of the campaign.